Head unit basic version (HU-B)

As head units, control units from different system suppliers can be used. In recent years the entire series included the following:

Head unit High (Navigation Professional): 

• Head unit High (HU-H), generation 3
• High version Car Information Computer (CIC), generation 2
• Car Communication Computer (CCC), generation 1

Head unit Basic Version (Navigation Business) 

• Head unit Basis with navigation (HU-B)
• Basic Version Car Information Computer (CIC)
• 2nd generation Central Head unit and Multimedia Platform (CHAMP)
• Multi-audio system controller (M-ASK)

Radio (no navigation) 

• Head unit basic version (HU-B)
• Radio Professional (RAD2)
• Radio Business (RAD)

The latest generation of the Head unit Basis (HU-B) is described below. 

The HU-B control unit is used as a head unit. The Head unit Basis is the head unit in the MOST network (for vehicles with MOST): Otherwise the Head unit Basis is connected to the K-CAN4.

The noticeable changes  for the head unit basic version are:

• Central Information Display connected via APIX data line (previously LVDS data line)
• Diversity (aerial amplifier without aerial diversity; aerial diversity integrated in the head unit)
• Controller with only 5 selector keys and one tilt direction
• Integrate of the following former control units as functions in the head unit:
  • Digital tuner (DAB)
  • Digital tuner US (IBOC)
  • Satellite car radio (SDARS)
• Integrated telephone function (depending on optional equipment)
• Integrated navigation (optional)

The latest Head unit Basis generation is now equipped with either one CVBS line or, for navigation, two CVBS lines.